Question
Who invented the mouse of a
computer?Solution
The computer mouse was invented in 1963 by Douglas Engelbart, an engineer and computer scientist working at the Stanford Research Institute. The first mouse was a wooden shell with two metal wheels on the bottom, which were used to track movement on a surface.
In a question of division, if dividend is 21 times of remainder and quotient is 1/2 of divisor, if remainder is least multiple of 2 and 5 both then find...
Find the sum of all factors of 60?
The sum of two numbers is 30 while the difference between these two numbers is 6. What is 50% of the product of the two numbers?
The sum of eight consecutive even numbers of set-A is 416. What is the sum of five consecutive numbers of another set whose lowest number is 18 more tha...
- Find the median of the following observations:
25, 30, 35, 45, 40, 55, 50 - A two-digit number '7b' is completely divisible by '4'. When the same number is divided by '3', there is a remainder of '1'. Find the value of 'b'.
Which of the following is a prime number?
- Determine the value of 'n' if '87n9812' is always divisible by 9.
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